Skip to content
Streambay
Kaal Bhairav Rahasya poster
TV series

Kaal Bhairav Rahasya

Latest episode

S1 E40 · Gauri's Terrifying Vision

About Kaal Bhairav Rahasya

Kaal Bhairav Rahasya is a mystery and action & adventure TV series that premiered on Star Bharat on October 30, 2017. It has 2 seasons and 160 episodes so far and is still airing new episodes. The latest episode, Season 1 Episode 40 "Gauri's Terrifying Vision", aired on August 21, 2026.

Kaal Bhairav Rahasya is an Indian mystery-thriller television series airing on Star Bharat since 30 October 2017. The show is shot in Bhopal and stars Rahul Sharma, Sargun Kaur, Chhavi Pandey and Ahwaan Kumar in lead roles.

  • Mystery
  • Action & Adventure

Last updated

Episodes

160 episodes · 2 seasons

Season 1

2017 · 40 episodes · Last episode: 2 months ago

Kaal Bhairav Rahasya Season 1 release dates →
  1. Kaal Bhairav Rahasya S1 E40 still E40

    40. Gauri's Terrifying Vision

    Gauri shares a chilling dream with Rahul, seeing Aditya kill Preeti and Minty. Later, Aditya uncovers the identity of the mastermind orchestrating the conspiracy.

  2. Kaal Bhairav Rahasya S1 E39 still E39

    39. Rahul Enters the Secret Cave

    Rahul enters the cave and finds an ancient book revealing how to reach the temple. Using a Trishul, he then discovers a secret passage beneath the temple.

  3. Kaal Bhairav Rahasya S1 E38 still E38

    38. Gauri's Nightmare Comes True

    Shakti Devi gives Rahul a deadline to find Minty and Preeti and uncover Indra's killer. Meanwhile, Gauri dreams of Ananda's death and finds his body inside the temple.

  4. Kaal Bhairav Rahasya S1 E37 still E37

    37. Ananda Faces Punishment

    Dadathakur orders Ananda to surrender to Kaal Bhairav as punishment. Meanwhile, Aditya urges Namrata to resist Rahul's influence and support him instead.

  5. Kaal Bhairav Rahasya S1 E36 still E36

    36. Minti and Preeti Missing

    Minti and Preeti mysteriously disappear, leading everyone to believe that Kaal Bhairav has punished them. Meanwhile, Gauri dreams that Soumi is still trapped inside the temple.

  6. Kaal Bhairav Rahasya S1 E35 still E35

    35. Rahul Is Ordered to Die

    Rahul learns that CID officer Yashpal is also investigating the mystery of the temple. Meanwhile, Dadathakur orders Rahul to sacrifice his life after the idol sheds tears.

  7. Kaal Bhairav Rahasya S1 E34 still E34

    34. Rahul Is Stunned by Baidya's Death

    Rahul discovers Baidya's involvement in an alcohol smuggling racket. The very next day, Baidya is found dead inside the temple, leaving Rahul utterly shocked.

  8. Kaal Bhairav Rahasya S1 E33 still E33

    33. Rahul Protects Aditya's Friends

    The temple pillars fall on Rahul while saving Aditya's friends. Moreover, he realises Gauri's dreams are coming true as the deity marks Pradhan's family for divine punishment.

  9. Kaal Bhairav Rahasya S1 E32 still E32

    32. Will Rahul Save Manish?

    The priest proclaims Manish guilty of stealing from the temple. However, Rahul decides to save Manish when Dadathakur decides to sacrifice him to pacify the Kaal Bhairav's fury.

  10. Kaal Bhairav Rahasya S1 E31 still E31

    31. Lakshmanpal Fears the Worst

    Kaal Bhairav protects Gauri, but the sudden shift in his idol's direction leaves everyone anxious. Meanwhile, Lakshmanpal dreads facing Kaal Bhairav's wrath.

  11. Kaal Bhairav Rahasya S1 E30 still E30

    30. Gauri Finds Herself Trapped

    Gauri thrashes Lakshmanpal for humiliating her. Enraged, he retaliates by trapping her inside the temple after sunset to ensure her death.

  12. Kaal Bhairav Rahasya S1 E29 still E29

    29. Shakti Teams Up with Rahul

    Shakti clears Rahul's doubts over Indraprakash's murder, proving her innocence. Later, she joins Rahul to investigate the strange events and mysteries at Kaal Bhairav Temple.

  13. Kaal Bhairav Rahasya S1 E28 still E28

    28. Rahul Learns Shakti's Past

    Rahul is confused when Shakti discloses that she did not kill Indraprakash. Moreover, Shakti confesses that Dadathakur defamed her to gain possession of the temple.

  14. Kaal Bhairav Rahasya S1 E27 still E27

    27. Rahul Follows Shakti

    The constable refuses to let Rahul drink water unless he admits that he killed Sheru. Later, when he is released from jail, Rahul follows Shakti into Sheru's cave.

  15. Kaal Bhairav Rahasya S1 E26 still E26

    26. Pashunath Traps Rahul

    Rahul witnesses Sheru's murder and discovers Pashunath's connection to the crime. However, Pashunath frames Rahul after the police recover Sheru's head from his home.

  16. Kaal Bhairav Rahasya S1 E25 still E25

    25. Pradhan Terrified as Sheru Goes Missing

    Pradhan becomes terrified when he discovers that Sheru has gone missing from his cave. Furthermore, he is horrified when the priest unknowingly seals Sheru within the temple.

  17. Kaal Bhairav Rahasya S1 E24 still E24

    24. Dadathakur's Final Warning

    Rahul discovers Shakti is smuggling pictures of the hidden temple treasures. As a man is slain for venturing out of his house despite the ban, Dadathakur warns the villagers.

  18. Kaal Bhairav Rahasya S1 E23 still E23

    23. Preeti, Gauri Warn Rahul

    Rahul discovers that Pradhan is being used as a pawn by Shakti. In addition, Preeti and Gauri reveal to Rahul that an instructor vanished after defying the temple's traditions.

  19. Kaal Bhairav Rahasya S1 E22 still E22

    22. Rahul Comes Across a Secret

    The priest approaches Preeti with Rahul and Gauri's marriage proposal. Later, Rahul uncovers Pradhan's secrets and Sheru's truth before a deadly clash with Soumi.

  20. Kaal Bhairav Rahasya S1 E21 still E21

    21. Rahul's Mysterious Find

    Fearing for Rahul's safety, Preeti makes him promise not to step outside the house at night. The next day, Rahul discovers the same copper plate at Pradhan's house.

  21. Kaal Bhairav Rahasya S1 E20 still E20

    20. Rahul Sneaks into the Temple

    Sheru attacks Ananda in the dense forest as Rahul searches for him. Later, Rahul cleverly deceives Lakshmanpal and slips into the tightly guarded temple unnoticed.

  22. Kaal Bhairav Rahasya S1 E19 still E19

    19. Rahul Returns Alive

    Rahul fights desperately before finally escaping the cave. Later, Dadathakur and Lakshmanpal are stunned when he returns alive leaving their deadly plan in ruins.

  23. Kaal Bhairav Rahasya S1 E18 still E18

    18. Kaal Bhairav's Miracle!

    Dada Thakur asks Kaal Bhairav to prove his presence. The villagers are stunned as the temple dog rises from the grave and walks back to the temple. Rahul mysteriously goes missing.

  24. Kaal Bhairav Rahasya S1 E17 still E17

    17. Rahul Kills Kaal Bhairab's Dog

    Rahul feeds the temple dog poisoned biscuits to test if it is Kaal Bhairav's sacred animal or an ordinary one. Later, Dadathakur angrily orders Rahul be punished for killing it.

  25. Kaal Bhairav Rahasya S1 E16 still E16

    16. Rahul Witnesses a Miracle

    Shakti openly challenges Dadathakur for the temple's leadership. Later, Rahul is stunned as Kaal Bhairab's worship miraculously takes place on its own during the night.

  26. Kaal Bhairav Rahasya S1 E15 still E15

    15. Nandu Finds a Gold Coin

    As Minti's nightmares intensify, Gauri urges Nandu to take her to Shambhu Baba's Ashram. Later, Nandu discovers the ancient gold coin is genuine and gives it to Gauri.

  27. Kaal Bhairav Rahasya S1 E14 still E14

    14. Nandu Saves Kalabati

    As an apology, Nandu surprises Namrata by celebrating her birthday. Later, he rescues the badly injured Kalabati after Sheru attacks her in the jungle and rushes her to hospital.

  28. Kaal Bhairav Rahasya S1 E13 still E13

    13. Nandu Begins to Suspect Gauri

    Nandu grows suspicious of Gauri and believes she is involved in Indraprakash's murder. Later, he is stunned to find Gauri dressed as a Goddess inside the temple.

  29. Kaal Bhairav Rahasya S1 E12 still E12

    12. Nandu is captured

    Namrata helps Nandu escape from the Zamindar's house. However, he is captured by a group of tribal people in the forest.

  30. Kaal Bhairav Rahasya S1 E11 still E11

    11. Shakti Devi Disappears!

    Dadathakur and Lakshmanpal plot to kill Shakti Devi during the Havan. After the Puja, Rahul finds her missing and insists the temple doors be opened, fearing she's trapped inside.

  31. Kaal Bhairav Rahasya S1 E10 still E10

    10. Gauri Shields Rahul

    Lakshmanpal lures Rahul into a deadly forest trap and tries to kill him. But Gauri arrives just in time and rescues Rahul from certain death.

  32. Kaal Bhairav Rahasya S1 E9 still E9

    9. Shakti Devi Returns

    Dadathakur orders Nandu to leave the village, but Preeti stands up against him. Later, when Lakshmanpal tries to set Nandu's house on fire, Shakti Devi intervenes and stops him.

  33. Kaal Bhairav Rahasya S1 E8 still E8

    8. Nandu Wins Villagers' Faith

    Nandu reveals how he survived a night inside the Kaal Bhairav's temple, convincing the villagers he is divinely blessed. But Lakshmanpal spies on him on Dadathakur's order.

  34. Kaal Bhairav Rahasya S1 E7 still E7

    7. Nandu Battels for his Life

    Nandu is found lying in a pool of blood inside the Kaal Bhairav temple after spending the night. As Namrata hurries Nandu to the hospital, Gauri desperately prays for his recovery.

  35. Kaal Bhairav Rahasya S1 E6 still E6

    6. Dadathakur Penalises Nandu

    Minty gets trapped inside the temple, but Nandu rescues him just in time. Soon, Dadathakur punishes Nandu for opening the temple door after sunset.

  36. Kaal Bhairav Rahasya S1 E5 still E5

    5. Manoj's Hunt for the Camera

    Nandu follows Gauri into the forest at night and discovers her secretly worshipping Kaal Bhairab. Later, Manoj leaves Minti midway, unlocks the temple and finds the camera missing.

  37. Kaal Bhairav Rahasya S1 E4 still E4

    4. Namrata Aids Nandu's Mission

    Namrata uncovers Nandu's true identity as Indra's brother. Defying Dadathakur's order, she vows to help Nandu unravel the temple's mystery.

  38. Kaal Bhairav Rahasya S1 E3 still E3

    3. Nandu Finds the Key Clue

    The priest is arrested over Akshay's murder, but Namrata soon secures his bail. Later, Nandu realises the temple's CCTV camera matches the red dot clue on the blueprint.

  39. Kaal Bhairav Rahasya S1 E2 still E2

    2. Nandu Visits the Temple

    Inspector Akshay vanishes while probing Indra's death inside the temple. Later, Nandu joins as a cleaner to investigate and grows suspicious of Gauri.

  40. Kaal Bhairav Rahasya S1 E1 still E1

    1. Kaal Bhairav Rahasya

    Finale

    Rahul, a young man seeks out the truth behind the mysterious ancient Kaal Bhairav Temple.

Season 2

2018 · 50 episodes · Last episode: 7 years ago

Kaal Bhairav Rahasya Season 2 release dates →
  1. Kaal Bhairav Rahasya S2 E120 still E120

    120. Archana, Veer's Long Journey

    Finale

    Vandana and Brahmanand kill each other while Veer is sent to the rehabilitation centre.

  2. Kaal Bhairav Rahasya S2 E119 still E119

    119. Archana Fights Brahmanand

    Brahmanand declares himself as God prior to an intense battle against Archana.

  3. Kaal Bhairav Rahasya S2 E118 still E118

    118. Archana Saves Veer

    Akshay saves Vandana’s child from Brahmanand’s men while Archana drags a hypnotised Veer in the holy water of Ganga.

  4. Kaal Bhairav Rahasya S2 E117 still E117

    117. Brahmanand Kills Shivanand

    Archana learns the idol's whereabouts while Brahmanand kills Shivanand.

  5. Kaal Bhairav Rahasya S2 E116 still E116

    116. Brahmanand's Vicious Trap

    Brahmanand lays a barbarous trap to kill the royal family.

  6. Kaal Bhairav Rahasya S2 E115 still E115

    115. Vandana Reveals a Secret

    Vandana reveals a secret to Archana and the others while Akshay misleads Brahmanand.

  7. Kaal Bhairav Rahasya S2 E114 still E114

    114. Brahmanand Is Empowered

    Akshay saves everybody from the trap.

  8. Kaal Bhairav Rahasya S2 E113 still E113

    113. Brahmanand Kills Siya

    Thakur faces Kashinath's accusations while Brahmanand kills Siya.

  9. Kaal Bhairav Rahasya S2 E112 still E112

    112. Archana Threatens Brahmanand

    Brahmanand warns Archana while Chandan gains possession of the idol.

  10. Kaal Bhairav Rahasya S2 E111 still E111

    111. Brahmanand Kills Abhiram

    Akshay reveals his identity to Vandana while Archana learns the idol's whereabouts.

  11. Kaal Bhairav Rahasya S2 E110 still E110

    110. Vandana Tries to Kill Archana

    Vandana is about to kill Archana while Thakur holds her baby as a hostage.

  12. Kaal Bhairav Rahasya S2 E109 still E109

    109. Archana Is Shocked

    Abhiram steals the idol, but Revati manages to get it back.

  13. Kaal Bhairav Rahasya S2 E108 still E108

    108. Archana Kills Bali

    Bali exposes Vandana in front of a puzzled Archana.

  14. Kaal Bhairav Rahasya S2 E107 still E107

    107. Bali Threatens Archana

    Sudhir gives Bali the idol, Vandana's chain and advice about the idol's powers.

  15. Kaal Bhairav Rahasya S2 E106 still E106

    106. Archana Is Helpless

    Revati and Kashinath get knocked out by Vandana.

  16. Kaal Bhairav Rahasya S2 E105 still E105

    105. Archana Is in a Dilemma

    Archana learns about Vandana's blackmailers, Sudhir and his brother, Vali.

  17. Kaal Bhairav Rahasya S2 E104 still E104

    104. Archana Saves the Villagers

    Vandana's plan backfires when Archana saves the villagers.

  18. Kaal Bhairav Rahasya S2 E103 still E103

    103. Vandana's Evil Plot

    On the occasion of Holi, Vandana plots to destroy the village using her mystic powers.

  19. Kaal Bhairav Rahasya S2 E102 still E102

    102. Archana Is Put to the Test

    Thakur surrenders himself to the police while Vandana fears that her secret will be exposed.

  20. Kaal Bhairav Rahasya S2 E101 still E101

    101. Veer Attacks Thakur

    Archana informs Rajmatha and Vandana of Thakur's whereabouts.

  21. Kaal Bhairav Rahasya S2 E100 still E100

    100. Archana Gets a Vital Clue

    Brahmanand is shocked to hear about Archana's roots, and orders Vandana to kill her.

  22. Kaal Bhairav Rahasya S2 E99 still E99

    99. Archana Is Imprisoned

    The police frame Archana for all the murders at Rajmahal.

  23. Kaal Bhairav Rahasya S2 E98 still E98

    98. Kashinath's Shocking Revelation

    Kashinath reveals Lali's story and the mystery behind her curse to Yash.

  24. Kaal Bhairav Rahasya S2 E97 still E97

    97. Veer to the Rescue

    The idol goes missing while Veer saves Pavitra's child with the help of a sage.

  25. Kaal Bhairav Rahasya S2 E96 still E96

    96. Kashinath Fools Thakur

    Archana receives a mysterious call while Vandana gives a secret letter to Thakur.

  26. Kaal Bhairav Rahasya S2 E95 still E95

    95. Archana Is in Trouble

    Archana receives a threat call while Revati is in coma.

  27. Kaal Bhairav Rahasya S2 E94 still E94

    94. Thakur Kills His Son

    In a fit of anger, Thakur stabs Pavitra and accidentally kills his son.

  28. Kaal Bhairav Rahasya S2 E93 still E93

    93. Pavitra Is Anxious

    Pavitra feels guilty and reveals the idol's whereabouts to Vandana.

  29. Kaal Bhairav Rahasya S2 E92 still E92

    92. Pavitra Gets the Idol

    Vandana interrogates the nurses at the hospital with a hope to find the idol.

  30. Kaal Bhairav Rahasya S2 E91 still E91

    91. Vandana Feels Distraught

    Archana learns the whereabouts of Lord Bhairav's idol.

  31. Kaal Bhairav Rahasya S2 E90 still E90

    90. Veer Kills Dolly

    Veer kills Dolly when she tries to stab him.

  32. Kaal Bhairav Rahasya S2 E89 still E89

    89. Doctor Comes to Veer's Rescue

    While Acharya Shakti suggests a way to rid of the curse, he also reveals that someone wishes otherwise.

  33. Kaal Bhairav Rahasya S2 E88 still E88

    88. Veer's Violent Outburst

    While Vishambhar meets a tantrik, Archana informs her family about Veer's split personality.

  34. Kaal Bhairav Rahasya S2 E87 still E87

    87. Veer Assaults Archana

    Archana drags Pavitra into the forest for stealing an idol.

  35. Kaal Bhairav Rahasya S2 E86 still E86

    86. Veer Is Furious

    Veer, as Kaal Bhairav, stops the robbers and attacks a conspiring Vishambhar.

  36. Kaal Bhairav Rahasya S2 E85 still E85

    85. What's Wrong with Veer?

    A possessed Veer chases Neeraj into the jungle to punish him for stealing Kaal Bhairav's idol.

  37. Kaal Bhairav Rahasya S2 E84 still E84

    84. Archana, Veer Learn the Secret

    Archana and Veer learn the secrets of the Kaal Bhairav idol.

  38. Kaal Bhairav Rahasya S2 E83 still E83

    83. Kaal Bhairav Guides Veer

    A possessed Veer forces Neeraj's mother to consume a poisonous plant.

  39. Kaal Bhairav Rahasya S2 E82 still E82

    82. Veer Goes Missing

    Archana wishes that Veer breaks Kaal Bhairav's curse post his crowning ceremony.

  40. Kaal Bhairav Rahasya S2 E81 still E81

    81. Revati Learns about Neeraj

    Revati learns that Neeraj is trapped in the royal palace.

  41. Kaal Bhairav Rahasya S2 E80 still E80

    80. Dolly's Worst Nightmare

    After having a terrifying nightmare, a frightened Dolly runs towards the forest.

  42. Kaal Bhairav Rahasya S2 E79 still E79

    79. Neeraj Witnesses a Spectacle

    Revati learns that Veer had killed his father under the influence of a supernatural force.

  43. Kaal Bhairav Rahasya S2 E78 still E78

    78. Veer's Magical Pendant

    Veer is infuriated when a villager claims that a member of the royal family has killed his daughter.

  44. Kaal Bhairav Rahasya S2 E77 still E77

    77. Archana Meets with an Accident

    Veer attacks Revati with a trident.

  45. Kaal Bhairav Rahasya S2 E76 still E76

    76. Revati's Vengeance

    Revati plans to take revenge against Kashinath when she learns about his real identity.

  46. Kaal Bhairav Rahasya S2 E75 still E75

    75. Trouble Looms over Archana?

    Archana plans to find the Kaal Bhairav idol to break the curse.

  47. Kaal Bhairav Rahasya S2 E74 still E74

    74. Bhindal's Shocking Confession

    Bhindal uses a disguise to outsmart Veer.

  48. Kaal Bhairav Rahasya S2 E73 still E73

    73. Neeraj Stabs Veer's Aunt

    While Baba Shakthi predicts a death in the palace, Veer's aunt implements her plan to poison Yashwardhan's kids.

  49. Kaal Bhairav Rahasya S2 E72 still E72

    72. Archana Has Some Secrets?

    Sumear informs Veer about the conspiracy against the royal family.

  50. Kaal Bhairav Rahasya S2 E71 still E71

    71. Sumear's Life Is at Risk

    Archana and Veer learn the deceptive secret behind the curse of the royal family.

Cast & crew

Created by Ravi Garani

Kaal Bhairav Rahasya FAQ

When is the next episode of Kaal Bhairav Rahasya?

A date for the next episode of Kaal Bhairav Rahasya hasn't been announced yet. Follow Kaal Bhairav Rahasya in the Streambay app and you'll be notified as soon as a new episode airs.

When did the latest episode of Kaal Bhairav Rahasya come out?

The most recent episode of Kaal Bhairav Rahasya, Season 1 Episode 40 "Gauri's Terrifying Vision", aired on August 21, 2026.

How many seasons of Kaal Bhairav Rahasya are there?

Kaal Bhairav Rahasya has 2 seasons with 160 episodes in total.

When did Kaal Bhairav Rahasya first air?

Kaal Bhairav Rahasya first aired on Star Bharat on October 30, 2017.

How do I get notified when new episodes of Kaal Bhairav Rahasya are released?

Download the Streambay app, follow Kaal Bhairav Rahasya, and you'll get a push notification the moment each new episode is released.

More like Kaal Bhairav Rahasya

  • C.I.D. poster

    5.7

    S2 · E104 11 months ago

    C.I.D.

    Synopsis: A team of dedicated men and women in the Crime Investigation Department will risk everything to solve Mumbai's toughest, most complicated crimes.

  • NCIS: Los Angeles poster

    7.5

    S14 · E21 3 years ago

    NCIS: Los Angeles

    Synopsis: The exploits of the Los Angeles–based Office of Special Projects (OSP), an elite division of the Naval Criminal Investigative Service that specializes in undercover assignments.

  • Stranger Things poster

    8.6

    S5 · E8 10 months ago

    Stranger Things

    Synopsis: When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.

  • Lost poster

    8.0

    S6 · E17 16 years ago

    Lost

    Synopsis: Stripped of everything, the survivors of a horrific plane crash must work together to stay alive. But the island holds many secrets.

  • Star Trek: The Next Generation poster

    8.4

    S7 · E25 32 years ago

    Star Trek: The Next Generation

    Synopsis: Follow the intergalactic adventures of Capt. Jean-Luc Picard and his loyal crew aboard the all-new USS Enterprise NCC-1701D, as they explore new worlds.

  • Squid Game poster

    7.9

    S3 · E6 1 year ago

    Squid Game

    Synopsis: Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.

  • Without a Trace poster

    7.2

    S7 · E24 17 years ago

    Without a Trace

    Synopsis: The series follows the ventures of a Missing Persons Unit of the FBI in New York City.

  • Batman: The Animated Series poster

    8.6

    S4 · E5 31 years ago

    Batman: The Animated Series

    Synopsis: Vowing to avenge the murder of his parents, Bruce Wayne devotes his life to wiping out crime in Gotham City as the masked vigilante "Batman".

  • Red Queen poster

    7.0

    S2 · E7 1 month ago

    Red Queen

    Synopsis: A gifted woman's intellect brings chance to lead covert European police force. But it backfires, costing her everything. Following murder at her home and kidnapped heiress, her ex-supervisor enlists a policeman's aid to reinstate her.

  • Gravity Falls poster

    8.6

    S2 · E20 10 years ago

    Gravity Falls

    Synopsis: Twin brother and sister Dipper and Mabel Pines are in for an unexpected adventure when they spend the summer helping their great uncle Stan run a tourist trap in the mysterious town of Gravity Falls, Oregon.

  • The Night Agent poster

    7.7

    S3 · E10 8 months ago

    The Night Agent

    Synopsis: Brought together by a midnight phone call, an FBI agent and a cybersecurity expert must unravel an ever-growing web of political conspiracies.

  • Outer Banks poster

    8.2

    S5 · E10 2 months ago

    Outer Banks

    Synopsis: On a North Carolina island of haves and have-nots, John B and his tight-knit crew of friends find mystery and adventure while hunting for lost treasure.

Never miss Kaal Bhairav Rahasya.

Download Streambay and follow Kaal Bhairav Rahasya. We’ll notify you the moment a new episode is released. It’s free, with no sign-up and no personal information required.

Coming soon to App Store Get it on Google Play
Kaal Bhairav Rahasya Get new episode alerts Get alerts